Each Disc Lock Is Supplied With 2 KeysBike Lock Is Suitable For Use On Motorbikes, Push Bikes, Mopeds And Scooters Where Brake Disc Holes are 5.5mm. Simple To Use Design, Hardened Locking Pin Slides Into Brake Disc Hole To Make It Impossible For The Wheels On Your Bike To Move When Locked In place You Will Receive: 1 x Bike Disc Security Lock